Bathtub



FIG. 1 is a top plan view of a bathtub showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being thesame as the side shown;

FIG. 4 is an end elevational view thereof, the opposite end being thesame as the end shown; and,

FIG. 5 is a cross sectional view taken on line 5--5 of FIG. 1.

The ornamental design of a bathtub, as shown and described.